package cn.edu.Utils;

import com.google.gson.Gson;
import com.qiniu.common.QiniuException;
import com.qiniu.http.Response;
import com.qiniu.storage.Configuration;
import com.qiniu.storage.Region;
import com.qiniu.storage.UploadManager;
import com.qiniu.storage.model.DefaultPutRet;
import com.qiniu.util.Auth;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.UnsupportedEncodingException;

/**
 * @author:David chan
 * @data:2022/7/31
 */
public class UploadUtil {
    public String upload(MultipartFile file){
        //构造一个带指定 Region 对象的配置类
        Configuration cfg = new Configuration(Region.region0());
//...其他参数参考类注释

        UploadManager uploadManager = new UploadManager(cfg);
//...生成上传凭证，然后准备上传
        String accessKey = "Rb7Acf15rFzs-Tr6O6px6_qQq2FFnO9a729hk-vC";
        String secretKey = "bYC5EA8PNFhZoLMlb99avCmdzOb3nqCYpljwkJ7e";
        String bucket = "teachersystem";

//默认不指定key的情况下，以文件内容的hash值作为文件名
        String key = null;

        try {
            //byte[] uploadBytes = "hello qiniu cloud".getBytes("utf-8");
            Auth auth = Auth.create(accessKey, secretKey);
            String upToken = auth.uploadToken(bucket);

            try {
                Response response = uploadManager.put(file.getBytes(), key, upToken);
                //解析上传成功的结果
                DefaultPutRet putRet = new Gson().fromJson(response.bodyString(), DefaultPutRet.class);
               return "http://rfri2vbbd.hd-bkt.clouddn.com/"+putRet.key;
            } catch (QiniuException ex) {
                Response r = ex.response;
                System.err.println(r.toString());
                try {
                    System.err.println(r.bodyString());
                } catch (QiniuException ex2) {
                    //ignore
                }
            }
        } catch (IOException ex) {
            //ignore
        }
           return "";
    }
}
